diff options
| -rw-r--r-- | src/client/apis/recording/recordingApi.ts | 149 | ||||
| -rw-r--r-- | src/client/apis/recording/recordingApi.tsx | 151 |
2 files changed, 149 insertions, 151 deletions
diff --git a/src/client/apis/recording/recordingApi.ts b/src/client/apis/recording/recordingApi.ts new file mode 100644 index 000000000..bdeeb79ea --- /dev/null +++ b/src/client/apis/recording/recordingApi.ts @@ -0,0 +1,149 @@ +import { CollectionFreeFormView } from "../../views/collections/collectionFreeForm"; +import React, { useState } from "react"; +import { observable } from "mobx"; + +type Movement = { + time: number, + panX: number, + panY: number, +} + +type Presentation = { + movements: Array<Movement> + meta: Object, + startDate: Date | null, +} + +export class RecordingApi { + + private static NULL_PRESENTATION: Presentation = { + movements: [], + meta: {}, + startDate: null, + } + + // instance variables + private currentPresentation: Presentation; + private isRecording: boolean; + private absoluteStart: number; + + + constructor() { + this.currentPresentation = RecordingApi.NULL_PRESENTATION + this.isRecording = false; + this.absoluteStart = -1; + } + + // little helper :) + private get isInitPresenation(): boolean { + return this.currentPresentation.startDate === null + } + + public start = (view: CollectionFreeFormView, meta?: Object): Error | undefined => { + // check if already init a presentation + if (!this.isInitPresenation) { + console.error('[recordingApi.ts] start() failed: current presentation data exists. please call clear() first.') + return new Error('[recordingApi.ts] start()') + } + + // (1a) get start date for presenation + const startDate = new Date() + // (1b) set start timestamp to absolute timestamp + this.absoluteStart = startDate.getTime() + + // (2) assign meta content if it exists + this.currentPresentation.meta = meta || {} + + // (3) assign start date to currentPresenation + this.currentPresentation.startDate = startDate + + // (4) set isRecording true to allow trackMovements + this.isRecording = true + } + + public clear = (): Error | undefined => { + // TODO: maybe archive the data? + if (this.isRecording) { + console.error('[recordingApi.ts] clear() failed: currently recording presentation. call pause() or finish() first') + return new Error('[recordingApi.ts] clear()') + } + + // clear presenation data + this.currentPresentation = RecordingApi.NULL_PRESENTATION + // clear isRecording + this.isRecording = false + // clear absoluteStart + this.absoluteStart = -1 + } + + public pause = (): Error | undefined => { + if (this.currentPresentation.startDate === null) { + console.error('[recordingApi.ts] pause() failed: no presentation started. try calling init() first') + return new Error('[recordingApi.ts] pause(): no presenation') + } + // don't allow track movments + this.isRecording = false + + // set relativeStart to the pausedTimestamp + const timestamp = new Date().getTime() + this.absoluteStart = timestamp + } + + public resume = () => { + const timestamp = new Date().getTime() + const startTimestamp = this.currentPresentation.startDate?.getTime() + if (!startTimestamp) { + console.error('[recordingApi.ts] resume() failed: no presentation data. try calling start() first') + return new Error('[recordingApi.ts] pause()') + } + + // update absoluteStart to bridge the paused time + const absoluteTimePaused = timestamp - this.absoluteStart + this.absoluteStart = absoluteTimePaused + } + + public finish = (): Error | Presentation => { + if (this.isInitPresenation) { + console.error('[recordingApi.ts] finish() failed: no presentation data. try calling start() first') + return new Error('[recordingApi.ts] finish()') + } + + // return a copy of the the presentation data + return { ...this.currentPresentation } + } + + public trackMovements = (panX: number, panY: number): Error | undefined => { + // ensure we are recording + if (!this.isRecording) { + console.error('[recordingApi.ts] pause() failed: recording is paused()') + return new Error('[recordingApi.ts] pause()') + } + + // get the relative time + const timestamp = new Date().getTime() + const relativeTime = timestamp - this.absoluteStart + + // make new movement struct + const movement: Movement = { time: relativeTime, panX, panY } + + // add that movement to the current presentation data's movement array + this.currentPresentation.movements.push(movement) + } + + // TOOD: need to pause all intervals if possible lol + // TODO: extract this into different class with pause and resume recording + public followMovements = (presentation: Presentation, docView: CollectionFreeFormView): void => { + const document = docView.Document + + const { movements } = presentation + movements.forEach(movement => { + const { panX, panY, time } = movement + // set the pan to what was stored + setTimeout(() => { + document._panX = panX; + document._panY = panY; + }, time) + }) + } + +}
\ No newline at end of file diff --git a/src/client/apis/recording/recordingApi.tsx b/src/client/apis/recording/recordingApi.tsx deleted file mode 100644 index 55714f03b..000000000 --- a/src/client/apis/recording/recordingApi.tsx +++ /dev/null @@ -1,151 +0,0 @@ -import { CollectionFreeFormView } from "../../views/collections/collectionFreeForm"; -import React, { useState } from "react"; - -export function RecordingApi() { - - type Movement = { - time: number, - panX: number, - panY: number, - } - - type Presentation = { - movements: Array<Movement> - meta: Object, - startDate: Date | null, - } - - const NULL_PRESENTATION = { - movements: [], - meta: {}, - startDate: null, - } - - const [currentPresentation, setCurrentPresenation] = useState<Presentation>(NULL_PRESENTATION) - const [isRecording, setIsRecording] = useState(false) - const [absoluteStart, setAbsoluteStart] = useState<number>(-1) - - const initAndStart = (view: CollectionFreeFormView, meta?: Object): Error | undefined => { - // check if already init a presentation - if (currentPresentation.startDate !== null) { - console.error('[recordingApi.ts] start() failed: current presentation data exists. please call clear() first.') - return new Error('[recordingApi.ts] start()') - } - - // (1a) get start date for presenation - const startDate = new Date() - // (1b) set start timestamp to absolute timestamp - setAbsoluteStart(startDate.getTime()) - - // TODO: (2) assign meta content - - // (3) assign init values to currentPresenation - setCurrentPresenation({ ...currentPresentation, startDate }) - - // (4) set isRecording true to allow trackMovements - setIsRecording(true) - } - - const clear = (): Error | undefined => { - // TODO: maybe archive the data? - if (isRecording) { - console.error('[recordingApi.ts] clear() failed: currently recording presentation. call pause() or finish() first') - return new Error('[recordingApi.ts] clear()') - } - // clear presenation data - setCurrentPresenation(NULL_PRESENTATION) - - // clear isRecording - setIsRecording(false) - - // clear absoluteStart - setAbsoluteStart(-1) - } - - const pause = (): Error | undefined => { - if (currentPresentation.startDate === null) { - console.error('[recordingApi.ts] pause() failed: no presentation started. try calling init() first') - return new Error('[recordingApi.ts] pause(): no presenation') - } - // don't allow track movments - setIsRecording(false) - - // set relativeStart to the pausedTimestamp - const timestamp = new Date().getTime() - setAbsoluteStart(timestamp) - } - - const resume = () => { - if (currentPresentation.startDate === null) { - console.error('[recordingApi.ts] resume() failed: no presentation started. try calling init() first') - return new Error('[recordingApi.ts] resume()') - } - - const timestamp = new Date().getTime() - const startTimestamp = currentPresentation.startDate?.getTime() - if (!startTimestamp) { - console.error('[recordingApi.ts] resume() failed: no presentation data. try calling init() first') - return new Error('[recordingApi.ts] pause()') - } - - setAbsoluteStart(prevTime => { - // const relativeUnpause = timestamp - absoluteStart - // const timePaused = relativeUnpause - prevTime - // return timePaused + absoluteStart - const absoluteTimePaused = timestamp - prevTime - return absoluteTimePaused - }) - } - - const finish = (): Error | Presentation => { - if (currentPresentation.movements === null) { - console.error('[recordingApi.ts] finish() failed: no presentation data. try calling init() first') - return new Error('[recordingApi.ts] finish()') - } - - // make copy and clear this class's data - const returnCopy = { ...currentPresentation } - clear() - - // return the copy - return returnCopy - } - - const trackMovements = (panX: number, panY: number): Error | undefined => { - // ensure we are recording - if (!isRecording) { - console.error('[recordingApi.ts] pause() failed: recording is paused()') - return new Error('[recordingApi.ts] pause()') - } - - // get the relative time - const timestamp = new Date().getTime() - const relativeTime = timestamp - absoluteStart - - // make new movement struct - const movement: Movement = { time: relativeTime, panX, panY } - - // add that movement struct to the current presentation data - setCurrentPresenation(prevPres => { - const movements = [...prevPres.movements, movement] - return {...prevPres, movements} - }) - } - - // TOOD: need to pause all intervals if possible lol - // TODO: extract this into different class with pause and resume recording - const followMovements = (presentation: Presentation, docView: CollectionFreeFormView): void => { - const document = docView.Document - - const { movements } = presentation - movements.forEach(movement => { - const { panX, panY, time } = movement - // set the pan to what was stored - setTimeout(() => { - document._panX = panX; - document._panY = panY; - }, time) - }) - } - -}
\ No newline at end of file |